Bola 700C 55mm Carbon Tubular Rim | 28mm Wide
Bola 700C 55mm Carbon Tubular Rim | 28mm Wide
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The Bola 700C 55mm carbon tubular rim - a 28mm-wide U-shape glued-tyre race rim, asymmetric drilling, for aero road and time-trial builds.
The all-round race tubular: deep enough to hold speed, light enough to climb, the Bola 55mm tubular is the glue-tire racer's favourite compromise. Fifty-five millimetres of Toray carbon, 28mm wide, sold rim-only.
Buying Guide.
Weight tier - Superlight ~390g: the racer's pick - lightest end for a glued all-round race wheel.
Weight tier - Normal ~410g: the durable choice - a touch more layup margin for rougher race roads.
Max rider weight: rated to 120kg - check rider + gear before ordering.
Same-depth series: the 55mm U-shape tubeless is the tubeless sibling if you do not want to glue.
Adjacent depth: the 50mm tubular climbs better; the 60mm tubular goes deeper.
Target Audience & Usage Notes.
Target audience.: Road racers and time-trial riders who race on tubulars.
Rim-only.
Glue your own tyres; use carbon-specific rim-brake pads; respect 85 psi and 120kg.
Not for riders unwilling to glue.
The Ride That Awaits.
Cement a 25-28mm tubular, lace to a race hub, and feel the balance: the glued tyre turns every input to instinct, the 55mm section holding speed on the flat yet calm enough for rolling courses. One wheel, one race day, your race, no compromise. Free shipping, a 3-year rim warranty and crash-replacement discount.
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- Wheelset weight (+/-2% tolerance, excluding rim tape and valves): Superlight 390g / Normal 410g (+/-15g)
- Rim depth: 55mm
- External width: 28mm
- Internal width: 28mm (tubular bed)
- ERD: 529mm
- Spoke Holes: 20/24 asymmetric (metric option)
- Tubeless: Tubular (glued)
- Hooked/Hookless: Hooked tubular bed
- Max Tire Pressure: 85 psi (hooked)
- Max System Weight: 120kg
- Material: Toray carbon
- Brake Type: Rim brake (carbon-specific pads)
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- Delivery vs Price: Factory-direct at $310 per rim (roughly half the cost of a single branded rim), but overseas dispatch takes 7-20 business days via FedEx/UPS/DPD Economy. Comparable Zipp 404 Firecrest ~$2,300-$1,600+ each.
- Weight vs Durability: 390g Superlight is the lightest deep tubular; Normal 410g adds layup margin.
- Tubular vs Tubeless: Tubulars give direct feel but require gluing; the 55mm tubeless rims are more convenient.
- Rim-only Build: Hub, spokes and glue sold separately; spoke length from ERD 529mm.
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- Fatigue Test: 750,000 cycles @640N (ISO 4210-7 Annex A, informative only)
- Impact Resistance: >40J (ISO 4210-7 reference)
- Flatness / Roundness: <0.25mm / <28mm (tubular bed) (internal QC)
- Max Spoke Tension: >300kg (internal QC)
- Radial / Lateral Stiffness: 90-110 N/mm radial; >=8 N/mm lateral (internal lab)
- Dynamic Balance: <Superlight 390g / Normal 410g (+/-15g) (internal QC)
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- Road Racing Builds: 2026 peloton standard is 28-30mm tubeless on wide rims (TdF 2026 avg ≈30mm); 55mm section suits 40+ km/h racing.
- Gran Fondo / Endurance: Modern 2026 frames (Propel, SuperSix, S5) design around 30-32mm clearance; 21mm inner bed pairs 25-32mm tubeless per ETRTO 2026 guidance.
- Wheel Building: Custom road builds with disc or rim hubs; UD carbon layup options for weight-conscious or durable builds.
- Weight Tier Selection: Offered in weight tiers (120kg); lighter for climbing, heavier for training and impact margin.
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- Frame: 700C (ISO 622) road frames with rim brakes
- Tire Type: Tubular (glued)
- Tire Width: 28-40mm tubular (25-28mm classic)
- Valve: Presta (tubular valve)
- Brake: Rim brake - use carbon-specific pads
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|---|---|---|---|---|---|---|---|
| 700C Carbon Tubular Rim 55mm 28mm wide | - | - | - | Superlight 390g / Normal 410g (+/-15g) | 55mm | 28mm (tubular bed) | $310.00 |
| Model A | - | - | - | ~330g | 58mm | 24mm | ~$700 |
| Model B | - | - | - | ~370g | 49/55mm | ~25mm | ~$750 |
| Model C | - | - | - | ~350g F/420g R | 48mm | 24mm | ~$1,500 |
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What is the Bola 55mm Tubular Rim and what is included?
A single bare carbon rim, sold rim-only with no hub, spokes, nipples or tape - built to your choice of components or used as a single-rim replacement.
How do I mount a tubular?
Use tubular cement or tape and glue the tyre to the bed; inflate to 85 psi. Tubulars require a glue process.
What tyre sizes fit?
28-40mm tubular per live specs; 25-28mm is the classic race choice.
How does it compare to the 60mm tubular?
The 55mm is lighter (390g) and calmer; the 60mm adds aero on flat courses.
What is the ERD?
ERD 529mm; 20/24 asymmetric holes.
How long is shipping and what warranty applies?
Free shipping, VAT included in EU & USA. 3-year rim warranty against manufacturing defects with crash-replacement discount. Dispatch 1-3 business days; FedEx/UPS/DPD Economy delivers in 7-20 business days.
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